CHRIS BROWNmight have dissed ex-girlfriend RIHANNA in an unheard verse from DJ KHALED‘s new song “I’m Still.”

Guess their split really didn’t end on a good note.

Chris recently buried the hatchet with former nemesis Drake, whom he had been feuding with over the last year following a big disagreement (which led to a huge bar brawl) over their mutual ex, Rihanna. But now that that’s done, it looks like the volatile superstar is looking to start yet another feud…

…withRihanna herself!

The “Love More” singer has been very vocal about how much it bothered (or bothers) him that his sexy former ladylove dated other men while they were broken up, and in an unreleased verse that was originally recorded for DJKhaled‘s song “I’m Still,” he seemingly takes a shot at her and her alleged promiscuity: